rape existed back then, and it's a truth that should be confronted
it's intentions were not even near that of using trauma to make money, just that it was part of the story the author wanted to tell. It was very clear that this had and/or was going to happen, seeing how they reference rape...
good ending: she does dumb shit to roland and gets publicly executed via firing squad
bad ending: she does dumb shit to roland and continues to be the bitch character that everyone hates for the rest of the series